X Is a Normally Distributed Random Variable with a Mean

question 97

Multiple Choice

X is a normally distributed random variable with a mean of 22 and a standard deviation of 5. The probability that X is less than 9.7 is

• A)0.000
• B)0.4931
• C)0.0069
• D)0.9931

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Definitions:

Peak Period

The time frame during which the highest level of activity, usage, or demand occurs.

Off-Peak Period

A time period during which demand for a service or product is lowest, often leading to lower prices.

Marginal Subcontracting Cost

The additional cost incurred for subcontracting an extra unit of production or service, beyond current levels.

Layoff Cost

Expenses incurred by an organization when it temporarily or permanently terminates employment, typically including severance pay and benefits continuation.